[keycloak-dev] Shortening URLs

[Stian Thorgersen]

Our URLs are quite long, examples:

* http://localhost:8080/auth/realms/master/protocols/openid-connect/login
* http://localhost:8080/auth/realms/master/account

We could remove the 'realms' part and 'protocols' parts couldn't we?

* http://localhost:8080/auth/master/oidc/login
* http://localhost:8080/auth/master/account

That would require moving everything under a realm and I guess we'd need to hard-wire the protocols, but I think that should be fine.

We also need to make sure we can just the root context:

* http://localhost:8080/master/oidc/login
* http://localhost:8080/master/account

We can also introduce other mechanisms to select the realm. For example a server with single realm can just omit it altogether:

* http://localhost:8080/oidc/login
* http://localhost:8080/account

And we could allow setting what domains uses what realms:

* http://keycloak-master/oidc/login
* http://keycloak-other/oidc/login